On Wednesday 01 July 2009 12:27, Manuel Sahm wrote:
> >> After restart I type the correct login data an the this appears:
> >>
> >> 192.168.3.141 login: root
> >> Password:
> >> Login incorrect
> >>
> >> 192.168.3.141 login:
> >>
> >> Any ideas ?
> >
> >Well, it's obvious. You are entering wrong password... of course
> >ogin won't start the shell!
>
> Hello, sorry the problem is still there - I tried the followig sequnce:
>
> inittab file entry: ::respawn:/bin/login
>
> Login starts and I enter my Login data - the problem with job control occurs.
> Then I try on the shell: /bin/cttyhack /bin/login
> and after that I cannot login :
> 192.168.3.141 login: root
> Password:
> Login incorrect
> 192.168.3.141 login:
>
> I enter the right password....
>
> This problem occurs too, if the inittab file entry is ::respawn:/bincttyhack/
> /bin/login
Please got to login.c, find this fragment:
pw = getpwnam(username);
if (!pw) {
strcpy(username, "UNKNOWN");
goto fake_it;
}
if (pw->pw_passwd[0] == '!' || pw->pw_passwd[0] == '*')
goto auth_failed;
if (opt & LOGIN_OPT_f)
break; /* -f USER: success without asking passwd */
if (pw->pw_uid == 0 && !check_securetty())
goto auth_failed;
/* Don't check the password if password entry is empty (!) */
if (!pw->pw_passwd[0])
break;
fake_it:
/* authorization takes place here */
if (correct_password(pw))
break;
and change it into:
pw = getpwnam(username);
if (!pw) {
strcpy(username, "UNKNOWN");
bb_error_msg("BAD USERNAME");
goto fake_it;
}
if (pw->pw_passwd[0] == '!' || pw->pw_passwd[0] == '*')
{bb_error_msg("BAD pw_passwd");
goto auth_failed;
}
if (opt & LOGIN_OPT_f)
break; /* -f USER: success without asking passwd */
if (pw->pw_uid == 0 && !check_securetty())
{bb_error_msg("BAD pw_uid or !securetty");
goto auth_failed;
}
/* Don't check the password if password entry is empty (!) */
if (!pw->pw_passwd[0])
break;
fake_it:
/* authorization takes place here */
if (correct_password(pw))
{bb_error_msg("correct_password FAILED");
break;
}
What do you see now?
--
vda
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